Regression tests

Closes phpstan/phpstan#13987
Closes phpstan/phpstan#13982

Author: ondrejmirtes

tests/PHPStan/Analyser/AnalyserIntegrationTest.php

@@ -1326,6 +1326,18 @@ public function testBug9994(): void
 		$this->assertSame('Parameter #2 $callback of function array_filter expects (callable(1|2|3|null): bool)|null, false given.', $errors[1]->getMessage());
 	}
 
+	public function testBug13987(): void
+	{
+		$errors = $this->runAnalyse(__DIR__ . '/data/bug-13987.php');
+		$this->assertNoErrors($errors);
+	}
+
+	public function testBug13982(): void
+	{
+		$errors = $this->runAnalyse(__DIR__ . '/data/bug-13982.php');
+		$this->assertNoErrors($errors);
+	}
+
 	#[RequiresPhp('>= 8.1')]
 	public function testBug10049(): void
 	{

tests/PHPStan/Analyser/data/bug-13982.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Bug13982;
+
+function (): void {
+	$v = new class {
+		public function test2(): string {
+			return self::test();
+		}
+		private static function test(): string {
+			return 'result';
+		}
+	};
+
+	$v->test2();
+};

tests/PHPStan/Analyser/data/bug-13987.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Bug13987;
+
+return new class {
+	public function getter(): never
+	{
+		throw self::failure();
+	}
+
+	private static function failure(): \LogicException
+	{
+		return new \LogicException('Aha.');
+	}
+
+};